Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 558.959445][ T102] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 559.049585][ T102] usb 1-1: Using ep0 maxpacket: 32 [ 559.169361][ T102] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 559.177508][ T102] usb 1-1: config 0 has no interface number 0 [ 559.183728][ T102] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 559.192798][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 559.206219][ T102] usb 1-1: config 0 descriptor?? [ 559.253692][ T102] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 559.459396][ T102] snd_usb_pod 1-1:0.1: set_interface failed [ 559.465548][ T102] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now disconnected [ 559.473058][ T102] snd_usb_pod: probe of 1-1:0.1 failed with error -71 [ 559.481379][ T102] usb 1-1: USB disconnect, device number 2 [ 560.039275][ T102] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 560.129426][ T102] usb 1-1: Using ep0 maxpacket: 32 [ 560.249355][ T102] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 560.257360][ T102] usb 1-1: config 0 has no interface number 0 [ 560.263721][ T102] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 560.272796][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.282164][ T102] usb 1-1: config 0 descriptor?? [ 560.321523][ T102] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 560.530120][ T102] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now attached [ 561.188225][ T94] usb 1-1: USB disconnect, device number 3 [ 561.394854][ T1805] udc-core: couldn't find an available UDC or it's busy [ 561.401944][ T1805] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 694.689427][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz-executor188:1805] [ 694.698278][ C1] Modules linked in: [ 694.702269][ C1] irq event stamp: 133304 [ 694.706804][ C1] hardirqs last enabled at (133303): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 694.717069][ C1] hardirqs last disabled at (133304): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 694.727436][ C1] softirqs last enabled at (133302): [] __do_softirq+0x673/0x950 [ 694.737107][ C1] softirqs last disabled at (133295): [] irq_exit+0x178/0x1a0 [ 694.746837][ C1] CPU: 1 PID: 1805 Comm: syz-executor188 Not tainted 5.6.0-rc3-syzkaller #0 [ 694.755608][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 694.765808][ C1] RIP: 0010:smp_call_function_single+0x2d3/0x3a0 [ 694.772156][ C1] Code: 83 64 0a 00 48 8b 54 24 08 4c 89 f9 8b 7c 24 14 48 8d 74 24 40 e8 cd f9 ff ff 41 89 c4 eb 07 e8 63 64 0a 00 f3 90 8b 5c 24 58 <31> ff 83 e3 01 89 de e8 c1 65 0a 00 85 db 75 e5 e8 48 64 0a 00 e9 [ 694.791771][ C1] RSP: 0018:ffff8881cd7577c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 694.800178][ C1] RAX: ffff8881ce3b9880 RBX: 0000000000000003 RCX: ffffffff8134f89f [ 694.808166][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 694.816149][ C1] RBP: ffff8881cd757898 R08: ffff8881ce3b9880 R09: 0000000000000000 [ 694.824130][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 694.832105][ C1] R13: 0000000000000001 R14: ffff8881cdad1940 R15: ffff8881db333dc0 [ 694.840087][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 694.849033][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 694.855619][ C1] CR2: 00007faa7dcafe4c CR3: 0000000007021000 CR4: 00000000001406e0 [ 694.863713][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 694.871692][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 694.879663][ C1] Call Trace: [ 694.883177][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 694.889687][ C1] ? generic_exec_single+0x370/0x370 [ 694.895003][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 694.901615][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 694.907520][ C1] smp_call_function_many_cond+0x25e/0x900 [ 694.913335][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 694.919840][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 694.925478][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 694.930590][ C1] tlb_flush_mmu+0x274/0x630 [ 694.935225][ C1] tlb_finish_mmu+0x93/0x420 [ 694.939826][ C1] exit_mmap+0x298/0x4d0 [ 694.944066][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 694.949015][ C1] mmput+0xce/0x3d0 [ 694.952939][ C1] do_exit+0xaa0/0x2c50 [ 694.957169][ C1] ? find_held_lock+0x2d/0x110 [ 694.961944][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 694.967316][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 694.972177][ C1] do_group_exit+0x125/0x340 [ 694.976835][ C1] get_signal+0x480/0x2470 [ 694.981930][ C1] ? debug_check_no_obj_freed+0xc4/0x445 [ 694.987571][ C1] ? futex_exit_release+0x60/0x60 [ 694.992650][ C1] do_signal+0x88/0x1490 [ 694.997034][ C1] ? __kasan_slab_free+0x12e/0x160 [ 695.002229][ C1] ? raw_ioctl+0x3c5/0x1a70 [ 695.006733][ C1] ? setup_sigcontext+0x820/0x820 [ 695.011770][ C1] ? raw_ioctl+0x193/0x1a70 [ 695.016271][ C1] ? __x64_sys_futex+0x380/0x4f0 [ 695.021219][ C1] ? do_futex+0x1b90/0x1b90 [ 695.025841][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 695.031130][ C1] do_syscall_64+0x4e0/0x5a0 [ 695.035750][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 695.041650][ C1] RIP: 0033:0x44a089 [ 695.045558][ C1] Code: Bad RIP value. [ 695.049621][ C1] RSP: 002b:00007faa7dcb0d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 695.058039][ C1] RAX: fffffffffffffe00 RBX: 00000000006dbc48 RCX: 000000000044a089 [ 695.066022][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc48 [ 695.074112][ C1] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 695.082488][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 695.090486][ C1] R13: 000000000000009f R14: 000000000000b1ee R15: 00000000000000e7 [ 695.098572][ C1] Sending NMI from CPU 1 to CPUs 0: [ 695.104819][ C1] NMI backtrace for cpu 0 [ 695.104825][ C1] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-syzkaller #0 [ 695.104831][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.104835][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x50 [ 695.104846][ C1] Code: cc 65 48 8b 04 25 00 0f 02 00 48 8b 80 c8 12 00 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 00 0f 02 00 <65> 8b 15 c8 b1 c2 7e 81 e2 00 01 1f 00 48 8b 34 24 75 2b 8b 90 b0 [ 695.104850][ C1] RSP: 0018:ffff8881db2099e0 EFLAGS: 00000086 [ 695.104858][ C1] RAX: ffffffff8702cc40 RBX: 00000000000000ff RCX: ffffffff84ba0aae [ 695.104863][ C1] RDX: 00000000000000ff RSI: 0000000000000000 RDI: 0000000000000001 [ 695.104868][ C1] RBP: ffff8881d54e68a0 R08: ffffffff8702cc40 R09: ffffed103aa9cd41 [ 695.104873][ C1] R10: ffffed103aa9cd40 R11: ffff8881d54e6a00 R12: 0000000000000012 [ 695.104878][ C1] R13: 000000000000001b R14: 00000000000003e5 R15: 0000000000000055 [ 695.104884][ C1] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 695.104888][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 695.104893][ C1] CR2: 00007fb1cd436000 CR3: 00000001d35ba000 CR4: 00000000001406f0 [ 695.104898][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 695.104903][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 695.104906][ C1] Call Trace: [ 695.104908][ C1] [ 695.104912][ C1] line6_midibuf_read+0x1cb/0xa30 [ 695.104916][ C1] line6_data_received+0x318/0x520 [ 695.104919][ C1] ? device_id_show+0x80/0x80 [ 695.104923][ C1] __usb_hcd_giveback_urb+0x1f2/0x470 [ 695.104926][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 695.104930][ C1] dummy_timer+0x1258/0x32ae [ 695.104933][ C1] ? dummy_udc_probe+0x930/0x930 [ 695.104937][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 695.104941][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 695.104944][ C1] call_timer_fn+0x195/0x6f0 [ 695.104947][ C1] ? dummy_udc_probe+0x930/0x930 [ 695.104951][ C1] ? msleep_interruptible+0x130/0x130 [ 695.104955][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 695.104959][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 695.104962][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 695.104966][ C1] ? dummy_udc_probe+0x930/0x930 [ 695.104969][ C1] run_timer_softirq+0x5f9/0x1500 [ 695.104973][ C1] ? add_timer+0x7a0/0x7a0 [ 695.104982][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 695.104986][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 695.104989][ C1] __do_softirq+0x21e/0x950 [ 695.104992][ C1] irq_exit+0x178/0x1a0 [ 695.104996][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 695.105000][ C1] apic_timer_interrupt+0xf/0x20 [ 695.105002][ C1] [ 695.105006][ C1] RIP: 0010:default_idle+0x28/0x300 [ 695.105021][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 94 c9 72 7a 41 54 55 53 0f 1f 44 00 00 e8 16 bb b5 fb e9 07 00 00 00 0f 00 2d 3a 5f 53 00 fb f4 <65> 44 8b 2d 70 c9 72 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 695.105026][ C1] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 695.105034][ C1] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000 [ 695.105040][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c [ 695.105045][ C1] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000 [ 695.105050][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 695.105055][ C1] R13: 0000000000000000 R14: ffffffff87e60000 R15: 0000000000000000 [ 695.105058][ C1] do_idle+0x3e0/0x500 [ 695.105062][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 695.105065][ C1] cpu_startup_entry+0x14/0x20 [ 695.105068][ C1] start_kernel+0xde3/0xe27 [ 695.105072][ C1] ? mem_encrypt_init+0x5/0x5 [ 695.105075][ C1] ? x86_family+0x3d/0x50 [ 695.105078][ C1] ? load_ucode_bsp+0x23d/0x27d [ 695.105082][ C1] secondary_startup_64+0xb6/0xc0 [ 695.105090][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 695.488641][ C1] CPU: 1 PID: 1805 Comm: syz-executor188 Tainted: G L 5.6.0-rc3-syzkaller #0 [ 695.500282][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.510351][ C1] Call Trace: [ 695.513628][ C1] [ 695.516658][ C1] dump_stack+0xef/0x16e [ 695.521015][ C1] panic+0x2aa/0x6e1 [ 695.524996][ C1] ? add_taint.cold+0x16/0x16 [ 695.529714][ C1] ? cpumask_next+0x3c/0x40 [ 695.534467][ C1] ? printk_safe_flush+0xd9/0x120 [ 695.539505][ C1] ? watchdog_timer_fn.cold+0xee/0x134 [ 695.545098][ C1] ? watchdog_timer_fn.cold+0xe5/0x134 [ 695.550574][ C1] watchdog_timer_fn.cold+0xff/0x134 [ 695.555967][ C1] __hrtimer_run_queues+0x32c/0xd20 [ 695.561180][ C1] ? lockup_detector_update_enable+0x90/0x90 [ 695.567178][ C1] ? hrtimer_init+0x2e0/0x2e0 [ 695.572025][ C1] ? ktime_get_update_offsets_now+0x24c/0x320 [ 695.578223][ C1] hrtimer_interrupt+0x2e8/0x730 [ 695.583163][ C1] smp_apic_timer_interrupt+0xfe/0x540 [ 695.588756][ C1] apic_timer_interrupt+0xf/0x20 [ 695.593698][ C1] [ 695.596770][ C1] RIP: 0010:smp_call_function_single+0x2d3/0x3a0 [ 695.603105][ C1] Code: 83 64 0a 00 48 8b 54 24 08 4c 89 f9 8b 7c 24 14 48 8d 74 24 40 e8 cd f9 ff ff 41 89 c4 eb 07 e8 63 64 0a 00 f3 90 8b 5c 24 58 <31> ff 83 e3 01 89 de e8 c1 65 0a 00 85 db 75 e5 e8 48 64 0a 00 e9 [ 695.622733][ C1] RSP: 0018:ffff8881cd7577c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 695.631162][ C1] RAX: ffff8881ce3b9880 RBX: 0000000000000003 RCX: ffffffff8134f89f [ 695.639147][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 695.647128][ C1] RBP: ffff8881cd757898 R08: ffff8881ce3b9880 R09: 0000000000000000 [ 695.655226][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 695.663204][ C1] R13: 0000000000000001 R14: ffff8881cdad1940 R15: ffff8881db333dc0 [ 695.671716][ C1] ? smp_call_function_single+0x2df/0x3a0 [ 695.677882][ C1] ? smp_call_function_single+0x2cd/0x3a0 [ 695.683616][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 695.690261][ C1] ? generic_exec_single+0x370/0x370 [ 695.695557][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 695.702189][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 695.708090][ C1] smp_call_function_many_cond+0x25e/0x900 [ 695.713908][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 695.720409][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 695.726033][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 695.731051][ C1] tlb_flush_mmu+0x274/0x630 [ 695.735648][ C1] tlb_finish_mmu+0x93/0x420 [ 695.740242][ C1] exit_mmap+0x298/0x4d0 [ 695.744492][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 695.749436][ C1] mmput+0xce/0x3d0 [ 695.753250][ C1] do_exit+0xaa0/0x2c50 [ 695.757958][ C1] ? find_held_lock+0x2d/0x110 [ 695.762737][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 695.768116][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 695.773581][ C1] do_group_exit+0x125/0x340 [ 695.778190][ C1] get_signal+0x480/0x2470 [ 695.782627][ C1] ? debug_check_no_obj_freed+0xc4/0x445 [ 695.788275][ C1] ? futex_exit_release+0x60/0x60 [ 695.793302][ C1] do_signal+0x88/0x1490 [ 695.797608][ C1] ? __kasan_slab_free+0x12e/0x160 [ 695.802732][ C1] ? raw_ioctl+0x3c5/0x1a70 [ 695.807241][ C1] ? setup_sigcontext+0x820/0x820 [ 695.812275][ C1] ? raw_ioctl+0x193/0x1a70 [ 695.816805][ C1] ? __x64_sys_futex+0x380/0x4f0 [ 695.821835][ C1] ? do_futex+0x1b90/0x1b90 [ 695.826578][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 695.831874][ C1] do_syscall_64+0x4e0/0x5a0 [ 695.836475][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 695.842474][ C1] RIP: 0033:0x44a089 [ 695.846441][ C1] Code: Bad RIP value. [ 695.850513][ C1] RSP: 002b:00007faa7dcb0d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 695.858929][ C1] RAX: fffffffffffffe00 RBX: 00000000006dbc48 RCX: 000000000044a089 [ 695.867133][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc48 [ 695.875240][ C1] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 695.883218][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 695.891443][ C1] R13: 000000000000009f R14: 000000000000b1ee R15: 00000000000000e7 [ 697.019814][ C1] Shutting down cpus with NMI [ 697.025250][ C1] Kernel Offset: disabled [ 697.029727][ C1] Rebooting in 86400 seconds..